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復制代碼 代碼如下:
<div style="margin-top: 1em; margin-bottom: 1em"><div style="display:none">{1}</div><textarea rows="12" cols="95" style='font-family:"Courier New",Courier,monospace;'></textarea><script src="runcode.js"></script><br /><input type="button" value="運行代碼" style="border-left:1px solid #B1B4CD;border-right:1px solid #494D74;border-top:1px solid #B1B4CD;;border-bottom:1px solid #494D74;background:#696D81;color:#FFFFFF;" onclick="runCode(this)"> <input type="button" style="border-left:1px solid #B1B4CD;border-right:1px solid #494D74;border-top:1px solid #B1B4CD;;border-bottom:1px solid #494D74;background:#696D81;color:#FFFFFF;"value="復制代碼" onclick="copycode(this)"> <input type="button" style="border-left:1px solid #B1B4CD;border-right:1px solid #494D74;border-top:1px solid #B1B4CD;;border-bottom:1px solid #494D74;background:#696D81;color:#FFFFFF;"value="另存代碼" onclick="saveCode(this)"> <input type="button" style="border-left:1px solid #B1B4CD;border-right:1px solid #494D74;border-top:1px solid #B1B4CD;;border-bottom:1px solid #494D74;background:#696D81;color:#FFFFFF;"value="還原代碼" onclick="preCode(this)"> 提示：您可以先修改部分代碼再運行</div>
就可以了。
runcode.js文件
復制代碼 代碼如下:
//Scripts runcode for BBS ver 2008-06-30, by Bound0([email protected])
//First published at http://bbs.blueidea.com
//An example: http://bbs.veryhman.com/showtopic-20094.ASPx
function runCode(which) {
var p=which.parentNode;
var os=p.getElementsByTagName("textarea");
if(os.length==0)return;
var o=os[0];
var winname = window.open('', "_blank", '');
winname.document.open('text/html', 'replace');
winname.opener = null;
winname.document.write(o.value);
winname.document.close();
}
function saveCode(which) {
var p=which.parentNode;
var os=p.getElementsByTagName("textarea");
if(os.length==0)return;
var o=os[0];
var winname = window.open('', '_blank', 'top=10000');
winname.document.open('text/html', 'replace');
winname.document.write(o.value);
winname.document.execCommand('saveas','','code.htm');
winname.close();
}
function copycode(which) {
var p=which.parentNode;
var os=p.getElementsByTagName("textarea");
if(os.length==0)return;
var o=os[0];
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);
if(is_ie && o.style.display != 'none') {
var rng = document.body.createTextRange();
rng.moveToElementText(o);
rng.scrollIntoView();
rng.select();
rng.execCommand("Copy");
rng.collapse(false);
}
}
function text(e)
{
var t = "";
e = e.childNodes || e;
for ( var j = 0; j < e.length; j++ )
{
if(e[j].nodeType != 1){t+=e[j].nodeValue}
else
{
var k=e[j].nodeName;
if(k=='BR'||k=='P'){t+='/r/n'}
t+=text(e[j].childNodes)
}
}
return t;
}
function preCode(which) {
var p=which.parentNode;
var os=p.getElementsByTagName("textarea");
if(os.length==0)return;
var o=os[0];
var osv=p.getElementsByTagName("div");
if(osv.length==0)return;
var ov=osv[0];
var c=''
if(typeof(ov.innerText)!="undefined"){c=ov.innerText}else{c=text(ov)}
o.value=c
}
(function(){var s=document.getElementsByTagName("script");preCode(s[s.length-1])})()
JavaScript技術：純js實現的論壇常用的運行代碼的效果，轉載需保留來源！
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